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BMW has released the first official details about the facelifted 2011 X5.

Set to debut at the New York Auto Show, the X5 features new bumpers, additional body-color accents, revised wheels, new headlights, relocated fog lights, and redesigned taillights.

Inside, the only change appears to be the addition of a new iDrive system with a 6.5-inch display (an 8.8-inch display will be optional). Despite the lack of updates, BMW added some new optional equipment. Goodies include active-ventilated front seats, a heated steering wheel, a panorama glass roof, four-zone automatic climate, and a DVD entertainment system. On the tech side, the X5 can be outfitted with a head-up display, adaptive cornering headlights, high-beam assistant, park distance control, a reversing camera, active cruise control (with a stop & go), a lane departure warning system, and a speed limit information display.

Under the hood, the 3.0-liter inline-six is replaced by a turbocharged 3.0-liter inline-six (dubbed the N55) that produces 225 kW (306 PS / 302 hp) and 400 Nm of torque. It enables the crossover to accelerate from 0-100 km/h in 6.8 seconds, before topping out at 235 km/h (146 mph). In terms of efficiency, the N55 allows the X5 to have an average fuel consumption of 10.1 liters/100 kilometers (23 mpg US) and a C02 emissions rating of 236 g/km.

The X5 xDrive50i boasts a 4.4-liter twin-turbo V8 (instead of a naturally-aspirated 4.8-liter V8), which churns out 300 kW (408 PS / 402 hp) and 400 Nm of torque. Thanks to this powerful engine, the X5 accelerates from 0-100 km/h in 5.5 seconds, before hitting a top speed of 250 km/h (155 mph). It consumes an average of 12.5 liters/100 kilometers (19 mpg US) and emits 292 grams of CO2 per kilometer.

On the diesel side, BMW will offer two turbocharged 3.0-liter inline-six engines. In the X5 xDrive40d, the engine produces 225 kW (306 PS / 302 hp) and 600 Nm of torque. It runs from 0-100 km/h in 6.6 seconds and has a top speed of 236 km/h (147 mph). Average fuel consumption is rated at 7.5 liters/100 kilometers (31 mpg US), while CO2 emissions come in at 198 g/km. For the X5 xDrive30d, the engine cranks out 180 kW (245 PS / 241 hp) and 540 Nm of torque. This allows the oil-burner to accelerate from 0-100 km/h in 7.6 seconds, before peaking at 222 km/h (138 mph). As you would expect, it is the most efficient engine, as it only consumes an average of 7.4 liters/100 kilometers (32 mpg US) and emits 195 grams of CO2 per kilometer.

All engines will be backed up by an eight-speed automatic transmission for "outstanding shifting dynamics, optimized effectiveness and the highest degree of comfort."

Other performance tweaks include a "more neutral" xDrive (all-wheel drive) system, revised spring and damper settings (for the xDrive50i and the xDrive40d), and a new speed-dependent Servotronic steering system.

The 2011 X5 will go on sale in the US shortly after it is unveiled in April, while UK and German sales are scheduled to begin June 5th (they will be priced from £43,980 and €54,200, respectively).